It’s been a while since two-stroke engines went the way of the dinosaurs, with them being considered too inefficient, noisy, ...

Harry has been writing and talking about motorcycles for 15 years, although he's been riding them for 45 years! After a long career in music, he turned his hand to writing and television work, ...

If you’re shopping for a new fishing boat or an outboard motor to power it, one of the decisions you’ll have to make is between a 2 stroke vs 4 stroke engine. Unless you’re going electric, this choice ...

Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, ...

Generally, combustion engines follow a standard principle of operation founded on the premise that the crankshaft spins clockwise (as seen from the driver’s seat). That’s how the powerplants are ...

Finnish engine manufacturer Wärtsilä must be a fascinating place to visit. The company manufactures some of the most mind-bendingly enormous marine diesel engines in the world, like the ...

Under-square: Bore is less than stroke. For uses like off-roading with bigger cars or street cruising, this layout is ...

In continuously developing the range of services for its portfolio of four-stroke engines, MAN Energy Solutions enables its customers to exploit a multitude of synthetically manufactured, ...

The Saab 96, with a four-cylinder, four-stroke engine, was introduced on Aug. 2, 1967. Saab's technically advanced and long-lived 96 was introduced in 1960, replacing the 93, and featured a two-stroke ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Some engines are difficult to repair, which is no good if they're also unreliable. This diesel engine from Ford is widely ...